Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Lokoja District, Kogi, Nigeria


mindat Locality ID: 204628
mindat URL: http://www.mindat.org/loc-204628.html

Tectonic Settings:

Total number of sublocalities beneath "Lokoja District, Kogi, Nigeria": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Agbaja Iron Deposit

Latitude: 7°54'17"N
Longitude: 6°46'5"E
Decimal Degree (lat, lon): 7.9047222222222,6.7680555555556

AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al C Ca Fe H O P S Si Ti Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AluniteCalciteClayCorundumDiasporeKaoliniteLepidocrociteNonePyriteQuartz
RutileSpinelZircon

14 IMA Minerals at location:
Böhmite  (*)Bolivarite  (*)Crandallite  (*)Gibbsite  (*)Goethite  (*)
Ilmenite  (*)Kaolinite  (*)Maghemite  (*)Magnetite  (*)Pyrite  (*)
Quartz  (*)Rutile  (*)Siderite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Böhmite  (*)LepidocrociteAlO(OH)188931195
Bolivarite  (*)NoneAl2(PO4)(OH)3·4H2O1889314
Crandallite  (*)AluniteCaAl3(PO4)(PO3OH)(OH)6188931310
Gibbsite  (*)NoneAl(OH)3188931504
Goethite  (*)DiasporeFeO(OH)1889317437
Ilmenite  (*)CorundumFe2+Ti4+O31889315433
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)41889315591
Maghemite  (*)Spinel(Fe3+0.67   0.33)Fe3+2O4188931229
Magnetite  (*)SpinelFe2+Fe3+2O418893114899
Pyrite  (*)PyriteFeS218893139462
Quartz  (*)QuartzSiO218893161156
Rutile  (*)RutileTiO21889315614
Siderite  (*)CalciteFe(CO3)1889316417
Zircon  (*)ZirconZr(SiO4)1889315251



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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